﻿// Copyright Dirk Lemstra https://github.com/dlemstra/Magick.NET.
// Licensed under the Apache License, Version 2.0.

#if NETSTANDARD2_1

using System;
using System.Buffers;

namespace ImageMagick;

/// <content/>
public sealed partial class MagickFormatInfo
{
    /// <summary>
    /// Returns the format information. The header of the image in the span of bytes is used to
    /// determine the format.
    /// </summary>
    /// <param name="data">The span of bytes to read the image header from.</param>
    /// <returns>The format information.</returns>
    public static MagickFormatInfo? Create(ReadOnlySpan<byte> data)
    {
        Throw.IfEmpty(nameof(data), data);

        var instance = new NativeMagickFormatInfo();
        instance.GetInfoWithBlob(data, data.Length);

        return Create(instance);
    }

    /// <summary>
    /// Returns the format information. The header of the image in the sequence of bytes is used to
    /// determine the format.
    /// </summary>
    /// <param name="data">The sequence of bytes to read the image header from.</param>
    /// <returns>The format information.</returns>
    public static MagickFormatInfo? Create(ReadOnlySequence<byte> data)
        => Create(data.FirstSpan);
}

#endif
